John Wesley and William Riley, sons of Wm Rufus Dockery

Seeking info and photos of John Wesley Dockery b. 6-8-1848 family and William Riley Dockery b 5-7-1850, sons of William Rufus Dockery (b 1823) and Mary "Polly" Byrd (born 1823).Also would like info on Mary "Polly" Bird.Who are her parents?I am from the Sarah Dockery line.She was sister of William Riley and John Wesley.Have much info on Sarah's family.